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Date: Wed, 2 Jan 2013 15:02:27 +0000 (GMT)
From: Hin-Tak Leung <htl10@users.sourceforge.net>
Reply-To: htl10@users.sourceforge.net
Subject: Re: rtl8187 WARN slowpath on suspend with 3.6.11
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	Herton Ronaldo Krzesinski <herton@canonical.com>,
	linux-wireless@vger.kernel.org
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--- On Tue, 1/1/13, Larry Finger <Larry.Finger@lwfinger.net> wrote:

> On 12/31/2012 06:16 PM, Hin-Tak Leung
> wrote:
> > Hi,
> >
> > Does either Larry or Herton see the sort of behavior
> (https://bugzilla.redhat.com/show_bug.cgi?id=891019) on
> suspend? John, is there anything changed between 3.6.9 and
> 3.6.11 which would cause this?
> >
> > Other than a genuine kernel regression, it is possible
> that it might be fedora specific - I just went from F17 to
> F18. F18 seems to have an systemd integrated udevd which
> might behaves differently from the older udevd's... or
> general funniness with F18 (I noticed another bug https://bugzilla.redhat.com/show_bug.cgi?id=891018 but
> that might be unrelated).
> >
> > Anyway, other than whole sale downgrade I think I can
> try booting 3.6.9 (which suspended cleanly under F17) and
> see whether it is a F18-specific problem.
> 
> Hin-Tak,
> 
> My system has never done a suspend/resume with any wireless
> card, thus I cannot 
> check your result. The test with 3.6.9 is a good idea.
> 
> Sorry,
> 
> Larry

Hi Larry,

Thanks for the reply. I have since rebooted to 3.6.9-2.fc17.x86_64, 3.6.10-2.fc17.x86_64 as well as 3.6.9-4.fc18.x86_64, 3.6.10-5.fc18.x86_64 and 3.6.11-3.fc18.x86_64; and all have the same problem. 3.6.9-2.fc17.x86_64 was the last kernel which I ran for over two weeks and had suspended a few times according to my /var/log/messages*. So this looks like a fedora-18 specific problems brought on by changes in userland
between F17 and F18. (possibly the systemd integrated udevd).

I'll add a comment to the bug report and let John reassign as appropriate.

Hin-Tak